Hello Doctor, i work for software company and have slight neck pain from 5 years.when applied zandubalm i got relief. from past 20 days,neckpain was severe as i changed the bed and pillows.slowly,nerve on left upper back started paining till neck and also my my left arm's power had reduced.a little bit pain on left rib is also observed. visited orthopedician and took prelogic,myoril,razo-d tablets for a week and pain is reduced. am scared to even think this pain again pops up again.can this effect to brain and lead to paralysis.pls suggest. thanks in advance